Lectures on general anaesthetics in dentistry : advocating painless dental operations by the use of nitrous oxid, nitrous oxid and oxygen, chloroform analgesia, ethyl chloride and somnoform / by William H. De Ford.

  • De Ford, William Harper, 1858-
Date:
[1908], [©1908]
Catalogue details

Licence: Public Domain Mark

Credit: Lectures on general anaesthetics in dentistry : advocating painless dental operations by the use of nitrous oxid, nitrous oxid and oxygen, chloroform analgesia, ethyl chloride and somnoform / by William H. De Ford. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    Rhythmical compression of the muscles above and around the heart may be accomplished by pressing the right thumb between the sternum and the apex of the heart on the left side, the left hand being placed over the thorax to steady the body. Compression should be made about seventy-five times per minute. Slapping the face with towels wet with cold water stimulates circulation reflexly. In the earlier stages ammonia nitrate and amyl nitrite are thought by some to be beneficial. The amy] nitrite is put up in glass pearls which are crushed on a napkin and held under the nose. A nitroglycerine tablet of the strength of 1-100 placed on the tongue quickly dissolves. In regard to the treatment of circulatory failure due to surgical procedure, there is a difference of opinion among the authorities. Crile and Mummery agree that strychnia is useless in these cases. Crile found by experiment that repeated injection of strychnia in healthy animals produced shock. Only in animals with mild degrees of shock was strychnia of service; and, as soon as the efTect passed off, these suffered a deeper degree of shock. Crile also makes the claim that in the intra-venous injection of alcohol there was gen- erally a fall in the blood pressure, and, in an animal suffering from shock, it caused a further decrease in blood pressure. Mummery verified the findings of Crile by tests made with the sphygmomanometer. Crile has invented a pneumatic suit by the use of which he succeeds in raising the blood pressure or prevent- ing its fall.